Pronunciation: (in"tur-nē'sēn, -sīn, -nes'ēn, -nes'īn), [key]
1. of or pertaining to conflict or struggle within a group: an internecine feud among proxy holders.
2. mutually destructive.
3. characterized by great slaughter; deadly. Also,in•ter•ne•civePronunciation: (in"ter-nē'siv, -nes'iv). [key]
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.